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AQA GCSE Physics Equations v1.0 A4 W2
Mechanical engineering
University of Cambridge
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kinetic energy= ½ x mass x speed 2
elastic potential energy
= mass x x height
gravitational potential energy
gravitational field strength
= mass x x
change in thermal energy
specific heat capacity
change in temperature
power = energy transferred / time
power = work done / time
efficiency = _____________________________useful output energy transfer total input energy transfer
efficiency = _____________________useful power output total power input
gcsephysicsonline/aqa
= ½ x spring constant x extension 2
charge flow = current x time
= current x resistance
potential difference
total resistance = sum of individual resistances
power = current 2 x resistance
= power x time
energy transferred
= charge flow x potential difference
energy transferred
power = potential difference x current
density = mass / volume
= mass x specific latent heat
energy for a change of state
pressure x volume = constant (for a gas)
weight = mass x gravitational field strength
work done = force xdistance (moved along the line of action of the force)
force = spring constant x extension
moment = force xdistance (perpendicular from the pivot to the line of action of the force)
pressure = force normal to a surface / area
pressure density of liquid
gravitational field strength
height of column
= x x
distance travelled = speed x time
acceleration = change in velocity / time taken
(final velocity) 2 – (initial velocity) 2 = 2 x acceleration x distance
resultant force = mass x acceleration
momentum = mass x velocity
force = change in momentum / time taken
period = 1 / frequency
wave speed = frequency x wavelength
magnification = image height / object height
potential difference across the primary coil potential difference across the secondary coil
number of turns in primary number of turns in secondary
__________________________________ = ______________________
force on a conductor = x current x length carrying a current
magnetic flux density
current in x = xsecondary coil
potential difference across the primary coil
current in primary coil
potential difference across the secondary coil
AQA
GCSE Equation Sheet
T ri l o g y / P h y si c s
Equations in bold are for Higher Tier only Equation highlighted in blue are for Physics only (not Trilogy)
v1 Jun 2021
AQA GCSE Physics Equations v1.0 A4 W2
Module: Mechanical engineering
University: University of Cambridge
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